Audio system



FIG. 1 is a perspective view of a first embodiment of an audio system showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a right side elevational view thereof; and

FIG. 5 is a top plan view thereof.

FIG. 6 is a perspective view of a second embodiment of an audio system showing our new design;

FIG. 7 is a front elevational view thereof;

FIG. 8 is a left side elevational view thereof;

FIG. 9 is a right side elevational view thereof; and

FIG. 10 is a top plan view thereof.

FIG. 11 is a perspective view of a third embodiment of an audio system showing our new design;

FIG. 12 is a front elevational view thereof;

FIG. 13 is a left side elevational view thereof;

FIG. 14 is a right side elevational view thereof; and,

FIG. 15 is a top plan view thereof.

FIG. 16 is a perspective view of a fourth embodiment of an audio system showing our new design;

FIG. 17 is a front elevational view thereof;

FIG. 18 is a left side elevational view thereof;

FIG. 19 is a right side elevational view thereof; and,

FIG. 20 is a top plan view thereof.

The broken lines illustrating the unclaimed portions of the audio system form no part of the claimed design. The single dot-dash broken line defining the boundaries of the claimed design form no part of the claimed design. 

CLAIM The ornamental design for an audio system, as shown and described. 